Cheapest builders to convert your basement in EC3P
Range from the cheapest Basement conversion £35790 (Aylaa Exclusive based in EC1A) to the dearest Basement conversion £51000 (Q Lofts and Extensions based in EC1R).
Comparing extension builders estimates for a Basement conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in EC3P by posting a job with HaMuch and we will send it to extension builders in EC3P.
Estimates for common extension builder jobs in EC3P;
| Job | Estimate |
| Underpinning a house | £17441 |
| Build a two storey extension | £87911 |
| Build a timber frame extension | £25941 |
| Install a swimming pool | £80941 |
| Cost to build a single storey extension | £48816 |
| Cost to build a side return extension | £36834 |
| Install an RSJ | £2141 |
| Build an outbuilding | £9941 |
| Build a mansard loft conversion | £51941 |
| Cost of a loft conversion | £33195 |
| Build a kitchen extension | £41941 |
| Build a hip to gable loft conversion | £41941 |
| Build a granny annexe | £86941 |
| Build a garden office | £9941 |
| Convert a garage | £15941 |
| Build a new garage | £18441 |
| Build a flat roof extension | £21941 |
| Build a dormer loft conversion | £41941 |
| Lay a concrete foundation | £6191 |
| Convert a bungalow loft | £28941 |
| Basement conversion cost | £36834 |